Mazda FN4A-EL, J39A Valve Body 1999-UP

This listing is for a Remanufactured Mazda FN4A-EL(4F27E), J39A Valve Body, model years 1999-UP, MAZDA ONLY. If you need the Ford version of this Valve Body, please see the valve body category under the Ford section of our store. Please see the photos and illustrations below in our Technical Information section for useful tips and identification information.

This valve body is better than OEM, it features many upgrades to increase reliability over the standard OEM valve body.

These upgrades include: Upgraded Pressure Regulator Valve, all other Solenoids are tested, rebuilt or replaced
with new.

PLEASE NOTE: There is a $50.00 Refundable Core Charge that is added at checkout. Once you remove your defective valve body and return it to us, the Core Charge will be refunded to you. For detailed instructions, please read the Core Charge section on our FAQs/Glossary page.

If you need help identifying the valve body you need, we can do a VIN# lookup for your vehicle to make sure you get the right part the first time. Please see the Technical Information/Identification Guide below for information on how to properly identify the valve body your vehicle needs. If you have questions or need assistance please contact us and we will do our best to assist you.

There are two different types of 4F27E Valve Bodies, one style is for Ford only and the other is referred to as the FN4A-EL(by Mazda) and is for Mazda only. The Ford version has a Ford Casting Number and Ford Logo molded into the Valve Body. See the RED ARROWS above for the location of the Casting Number and Logo; the Mazda version has no Logo or Casting Number.


The above photo shows a detailed view of the top and bottom of the 4F27E/FN4A-EL
Valve Body. The location of the Ford Logo and Casting Number is also shown(1).



The above photo and chart shows the Solenoid Locations and the Resistance
of each.





The above illustrations show the locations of the Accumulator Springs.